Sonoran
-1
Section::::Abstract.
Mexico–United States border
2817606
Sonoran
Sonoran Basin and Range (ecoregion)
Sonoran desert
-1
Section::::Abstract.
Mexico–United States border
2817606
Sonoran desert
Sonora Desert
Gila Desert
Sonora desert
Arizona desert
-1
Section::::Security.:Humanitarian assistance along the border.

Mexico–United States border
2817606
Arizona desert
Sonoran Desert
-1
Section::::Environment.:History.:Impacts of border wall on wildlife.

Mexico–United States border
2817606
Sonoran Desert
gila desert
sonoran basin and range ecoregion
sonora desert
sonoran
arizona desert
sonoran desert